Home / 69,889.12-104,841.06-40,306.30

Finding the Fourth Proportional to 69,889.12, 104,841.06 and 40,306.30

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Solution

The fourth proportional to 69,889.12, 104,841.06 and 40,306.30 is: 60,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,889.12 : 104,841.06 = 40,306.30 : x
  2. Step 2: Convert to fraction form
    69,889.12/104,841.06 = 40,306.30/x
  3. Step 3: Cross multiply
    69,889.12x = 104,841.06 × 40,306.30
  4. Step 4: Simplify right side
    69,889.12x = 4,225,755,216.68
  5. Step 5: Solve for x
    x = 4,225,755,216.68/69,889.12
  6. Step 6: Final answer
    x = 60,463.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.